401001机械设备估算书O.docx
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401001机械设备估算书O
REVDESCRIPTION版本说明
DATE
日期
REV.
版本
DESCRIPTION
简述
EDIT
编制
CHKD.
校对
RVE.
审核
APP.
审定
2007.3.12
A
FORAPPROVAL
尚亚杰
乐路
乐路
张雅娣
BUILDER
承造单位
CSSCGUANGZHOULONGXUESHIPBUILDINGCO.,LTD.
广州中船龙穴造船有限公司
SHIP’SNo.
L0001/2/3/4
SHIPYARDDWG-No.
K4000412
DESIGNER
设计单位
MARINEDESIGN&RESEARCHINSTITUTEOFCHINA
中国船舶及海洋工程设计研究院
308,000DWTVLCC
308,000载重吨超大型油轮
详细设计
MARK
标记
QUA数量
REV.No.
修改单号
SIG.
签字
DATE
日期
ESTIMATEDCALCULATIONFORMACHINERY&EQUIPMENT
机械设备估算书
M10085-401-001JS
EDIT
编制
尚亚杰
CHKD
校对
乐路
RVE
审核
乐路
AREA
总面积1.14m2
TOTAL
共19页
PAGE
第1页
STD
标检
乐路
APP
审定
张雅娣
INDEX
1GENERAL3
2MAINENGINE&PRINCIPALEQUIPMENTS4
3FUELOILSYSTEM6
4LUBEOILSYSTEM10
5COMPRESSEDAIRSYSTEM12
6BILGESYSTEM14
7COOLINGWATERSYSTEM16
8FIREWATERSYSTEM18
9FRESHWATERGENERATOR19
10INCINERATOR19
1GENERAL
1.1Engineroom
EngineroomtobelocatedbetweenFR17andFR53,whereistobearrangedwithone
（1）setofmainengine,three（3）setsofdieselgeneratorsets,two
（2）setsofauxiliaryboilers,one
（1）setofexhaustgaseconomizer,one
（1）setofincinerator,heatexchangers,aircompressors,pumpsandetc.
1.2PrincipalParticulars
Lengtho.a.:
<330.00m
Lengthb.p.:
320.00m
Breadthmld.:
60.00m
Depthmld.:
29.80m
Draftdesigned,mld.:
20.50m
Draftscantling,mld.:
21.80m
Deadweight（designdraft）:
~285,000t
Deadweight（scantlingdraft）:
~308,000t
Complement:
28persons
Endurance:
~20000n.milesat15.7kn
（Abt.57daysinall,including3daysforreserve）
1.3Fueloil
Three（3）kindsoffueloilaretobeemployedasfollows.
1.3.1Heavyfueloil（HFO）havingaviscosityofupto380mm2/sat50C
Mainengineatseaandmaneuveringtime（includingstart/stopoperation）
Thegeneratordieselenginesatnormaloperatingcondition
（includingstart/stopoperation）
Auxiliaryboilersatnormaloperation
LCV:
39100kJ/kg
1.3.2Marinedieseloil（MDO）havingaviscosityofupto11mm2/sat40C（ISOdesignationDMB）
Themainenginebeforelongtermstopping
Thegeneratordieselengineatstartafterlongtimestoporbeforelongtimestoporatlongtimelowloadoperation
Theauxiliaryboileratcoldstarting
Thewasteoilincineratoratstartingwithpilotburnerinuse
LCV:
42040kJ/kg
1.3.3Lightdieseloilhavingaflashpointofnotlessthan60℃（ISOdesignationDMA）
Emergencygeneratordieselengineinalloperatingmodes
LCV:
42700kJ/kg
2
3
4
5MAINENGINE&PRINCIPALEQUIPMENTS
2.1Mainengine:
Qty:
One
（1）set
Type:
SULZER7RTA84T-D
Description:
Vertical,two-stroke,single-acting,direct-
reversible,crossheadtype,turbocharged,
marinedieselenginewithtwo
（2）turbocharger
Numberofcylinder:
7
Cylinderbore:
840mm
Pistonstroke:
3150mm
Maximumcontinuousrating（MCR）:
29,400kWat76.0r/min
Continuousservicerating（CSR）:
26,460kWat73.4r/min
Rotatingdirection:
Clockwiselookingfromafter
Startingairpressure:
3.0MPa
Fueloilconsumption:
167.0g/kWh+5%atMCR（basedonusingmarinedieseloilwithlowercalorificvalueof10,200kcal/kgatISOreferencecondition,andfulfillIMONOxemissionlimitations.）
164.7g/kWh+5%atCSR
Lubeoilconsumption:
63kg/24h
Cylinderoilconsumption:
0.9~1.3g/kWh
2.2Maindieselgeneratorset
Qty:
Three（3）sets
Dieselenginedescription:
Four-stoke,non-reversible,in-line,water-cooled
Turbocharged,directfuelinjection
Output:
~1,100kW
Revolution:
~900r/min
Fueloilconsumption（at100%load）:
190g/kWh±5%
Lubeoilconsumption:
0.5g/kWh
Startingairpressure:
3.0MPa
Generatordescription:
Drip-proof（IP44）,watercooled
Output:
~1050kW
2.3
Emergencygeneratorset
Qty:
One
（1）set
Dieselenginedescription:
Vert.singleacting,trunkpiston,aircoolingor
freshwatercoolingwithradiatortype,withautomaticstartingdevice
Output:
~350kW
Revolution:
~1800r/min
Generatordescription:
Drip-proof,self-ventilatedandblushlesstype
Output:
~320kW
Revolution:
~1800r/min
Fuelconsumption（at100%load）:
~67l/h
2.4Auxiliaryboiler
Qty:
Two
（2）sets
Type:
Vertical,two-drumwatertubetypemarineboiler
Steamoutput:
45000kg/h
Steamstate:
0.7/2.0MPa,saturated
Feedwatertemperature:
50C
Fueloilconsumptionfornormal:
~3350kg/h（atmaxload）
Dieseloilconsumptionfornormal:
~3220kg/h（atmaxload）
2.5Exhaustgaseconomizer
Qty:
One
（1）set
Type:
Exhaustgasheating,forcedwatercirculation
finnedsteeltubetype,withoutexh.gasby-pass
Steamoutput:
~2,300kg/hatmainenginerunningatCSRunderISOreferencecondition
Steamstate:
0.7MPa,saturated
Feedwatertemperature:
50C
Themax.steamoutputtobecalculatedasfollows:
G=hx（T-T’）xCx（1-φ）/（is-iw）
=205858.8x（296-5-200.42）x1.0556x（1-4%）/（2768.4-209.26）
≈7384kg/h
G——themax.steamoutput，kg/h
h——exhaustgasmassflowofM/E，about205858.8kg/h（ISOreferencecondition，withM/EatCSRcondition）
T——temperatureofexhaustgasafterturbine－5℃，i.e.296－5℃（ISOreferencecondition，withM/EatCSRcondition）
T’——temperatureofexhaustgasfromeconomizer,i.e.temperatureofoutputsaturatedsteamadd30℃,170.42+30=200.42℃
C——specificheatofexhaustgas,1.0556kJ/kg℃（0.25kcal/kg℃）
is——correspondingenthalpyforsaturatedsteam,kJ/kg
iw——correspondingenthalpyforfeedwater,i.e.theenthalpyofsaturatedwaterat50℃,kJ/kg
φ——thelossofboilerheatdissipation,select4%
6FUELOILSYSTEM
3.1HFOconsumption
3.1.1HFOconsumptionforM/E:
QM=KxNexgex10-6
=1.092x26460x164.7x1.05x10-6
=5.00t/h
K:
correctionfactorforfueloilcalorificvalue,42700/39100=1.092
Ne:
CSRofM/E,26460kW
ge:
FueloilconsumptionatCSRunderISOreferencecondition,
164.7g/kWh+5%
3.1.2HFOconsumptionforeachA/E:
QG=KxNexgex10-6
=1.092x1100x190x1.05x10-6
=0.24t/h
Ne:
AEpowerat~100%load;
ge:
Fueloilconsumption190g/kWh+5%at~100%load
3.1.3
TotalconsumptionofHFOonvoyage:
QF=QM+QG
=5.00+0.24
=5.24t/h
=125.76t/day
3.2MDOconsumption
3.2.1MDOconsumptionforM/E:
MDOwillbeconsumedforM/Ebeforelongtermstop.Suppose4timesineachvoyage,eachtimelasting4hours（totalis16hours）.
QM1=KxNexgex10-6
=1.016x26460x164.7x10-6
=4.43t/h
=70.84t/16h–1voyage
K:
CorrectionfactorforMDOcalorificvalue,42700/42040=1.016
Ne:
CSRofM/E,26460kW
ge:
FueloilconsumptionatCSR,164.7g/kWh+5%
3.2.2MDOconsumptionforeachA/E:
MDOwillbeconsumedforA/Eatlowloadoperationand/orbeforelongtermstoppingand/oroverhaulingand/orcoldstarting.Suppose12timesineachvoyage,eachtimelasting2hours（totalis24hours）.
QG1=KxNexgex10-6
=1.016x1100x190x10-6
=0.212t/h
=5.10t/24h–1voyage
3.2.3MDOconsumptionforeachAuxiliaryBoiler:
MDOwillbeconsumedforauxiliaryboileratcoldstarting.Suppose12timesineachvoyage,eachtimelasting2hours（totalis24hours）.
QB1=KxgexFx10-3
=1.016x3220x90%x10-3
=2.944t/h
=70.66t/24h–1voyage
ge:
Dieseloilconsumptionis3220kg/h
F:
at90%load
3.2.4TotalMDOconsumption:
QD=QM1+QG1x2x0.85+QB1x2
=70.84+5.10x2x0.85+70.66x2
=220.8t/1voyage
3.2.5MGOconsumptionforemergencygenerator:
AccordingtotheRULE,theemergencygeneratorshallbecontinuousrunningforatleast18hours.
QEG=67x18x10-3
=1.21m3/18h
VolumeofMGO（service）tankintheemergencygeneratorroom:
V=1.21x1.2=1.45m3,
Selected~2.0m3.
3.3Tankcapacity
3.3.1HFOservicetank（normalatsea）:
V=（QM+QG）xTxK/
=（5.00+0.24）x12x1.15/0.985
=73.41m3
T:
Time,SPECrequiredon12hours
:
HFOspecificgravity0.985t/m3
K:
Capacitycoefficient,select1.15
SelectedH.F.Oservicetank:
~75m3,two
（2）sets
3.3.2HFOsettlingtank:
SPECrequiredassameasHFOservicetank
SelectedHFOsettlingtank:
~75m3,two
（2）sets
3.3.3BoilerHFOservicetank:
V=QBxTx2xK/
=3.35x16x2x1.15/0.985
=125.16m3
T:
Time,select16hours
:
HFOspecificgravity0.985t/m3
K:
Capacitycoefficient,select1.15
SelectedboilerH.F.Oservicetank:
~130m3,one
（1）set
3.3.4MDOservicetank:
AsSPECrequired:
V=（QM1+QG1）xTxK/m
=（4.43+0.212）x8x1.15/0.9
=47.45m3
T:
Timeon8hours
m:
MDOspecificgravity0.9t/m3
SelectedMDOservicetank,~60m3,one
（1）set
AndMDOstoragetank,~350m3,one
（1）set
3.3.5Emergencygeneratorenginefueloil（MGO）tank:
Accordingtoitem3.2.5,selectedMGOtankof~2.0m3,one
（1）set.
3.3.6Wasteoiltank:
AccordingtoAnnexIofMARPOL73/78,MEPC/Circular.235-1990,andUnifiedInterpretationsofAnnexI:
V=KxCxDx50%
=0.015x127.68x57x50%
≈54.58m3
K:
Coefficient，K=0.015
C:
HFOconsumption=125.76t/day=125.76/0.985=127.68m3
D:
Maximumperiodofvoyagebetweenportswheresludgecanbedischargedashore，D=57day
AccordingtoMEPC/Circular.235-1990,drainandleakageoiltankshallbe:
V=Dx（0.2+（7x（P-10000）x10-6）
=57x（0.2+（7x（29400-10000）x10-6）
=19.14m3
Selected:
Wasteoiltankof~60m3,one
（1）set.
Sludgetankof~15m3,one
（1）set.
HFODrainTankof~20m3,one
（1）set.
3.3.7Fueloiloverflowtank
Fueloiloverflowtankminimumvolumeisnormally30minutesattransferpumpcapacity,
30m3/hx30/60=15m3（30m3/h:
capacityofHFOtransferpump）
or
10minutestankfillingcapa
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